Home / 20,522.08-30,783.12-5,731.04

Finding the Fourth Proportional to 20,522.08, 30,783.12 and 5,731.04

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Solution

The fourth proportional to 20,522.08, 30,783.12 and 5,731.04 is: 8,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522.08 : 30,783.12 = 5,731.04 : x
  2. Step 2: Convert to fraction form
    20,522.08/30,783.12 = 5,731.04/x
  3. Step 3: Cross multiply
    20,522.08x = 30,783.12 × 5,731.04
  4. Step 4: Simplify right side
    20,522.08x = 176,419,292.04
  5. Step 5: Solve for x
    x = 176,419,292.04/20,522.08
  6. Step 6: Final answer
    x = 8,596.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.